CVE-2018-5702 Information

Description

Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control which allows remote attackers to execute arbitrary RPC commands and consequently write to arbitrary files via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://bugs.chromium.org/p/project-zero/issues/detail?id=1447 https://github.com/transmission/transmission/pull/468 https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html https://security.gentoo.org/glsa/201806-07 https://twitter.com/taviso/status/951526615145566208 https://www.debian.org/security/2018/dsa-4087 https://www.exploit-db.com/exploits/43665/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8